4220708669 has 2 divisors, whose sum is σ = 4220708670. Its totient is φ = 4220708668.

The previous prime is 4220708647. The next prime is 4220708699. The reversal of 4220708669 is 9668070224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3485485444 + 735223225 = 59038^2 + 27115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4220708669 is a prime.

It is a super-2 number, since 2×4220708669² = 35628763337143503122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4220708699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110354334 + 2110354335.

It is an arithmetic number, because the mean of its divisors is an integer number (2110354335).

Almost surely, 2^4220708669 is an apocalyptic number.

It is an amenable number.

4220708669 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220708669 is an equidigital number, since it uses as much as digits as its factorization.

4220708669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 4220708669 is about 64966.9813751570. The cubic root of 4220708669 is about 1616.0760425048.

The spelling of 4220708669 in words is "four billion, two hundred twenty million, seven hundred eight thousand, six hundred sixty-nine".